Part Description: 2001 Chevrolet Astro Engine Coolant Water Pump
More Info
Vehicle Fitment
2001 Chevrolet Astro | All Trims | 6 Cyl 4.3L
FAQ for Water Pump Repair
Q: How to remove the water pump?
A:
After draining the coolant from the radiator, you can remove the air cleaner assembly, the Mass Air Flow (MAF) sensor, the upper fan shroud, the drive belt, the fan, and the fan blade clutch assembly. Then you can remove the coolant pump pulley bolts and the pulley. Next, you can disconnect the coolant bypass hose, the clamps, and the radiator hoses. Then you can remove the four coolant pump bolts, the coolant pump, and the gaskets. After that, you can inspect all the parts.
By Bob
GM Specialist
02/11/2022
Q: How to install the water pump?
A:
You need to install the coolant pump gaskets, the coolant pump, and the four bolts retaining the coolant pump. Then you can connect the coolant bypass hose, the clamps, and the radiator hose. Then you can install the coolant pump pulley, the bolts, the fan, the fan blade clutch assembly, the drive belt, the upper fan shroud and the bolts, the MAF sensor, and the air cleaner assembly. After that, you can refill the radiator with coolant and start the engine.
By Bob
GM Specialist
02/11/2022
Q: What is the recommended torque for the bolts securing the coolant pump?
A:
The recommended torque is 45 Nm (33 ft. lbs.).
By Bob
GM Specialist
02/11/2022
FAQ for Other Repair Info
Q: Can you remove the radiator cap or surge tank cap while the engine is hot?
A:
No, you cannot remove the Radiator Cap or surge tank cap while the engine is hot.
Q: How to remove the thermostat?
A:
After draining the coolant to a level below the Thermostat, you can remove the air cleaner assembly and disconnect the ground lead. Then you need to remove the bolt, the coolant outlet, and the thermostat. After that, you need to clean the parts and the sealing surfaces.
Q: How to install the engine oil cooler hose?
A:
You need to install the engine oil cooler lines and the new retaining clips. Then you can insert a new retaining clip and connect the engine oil cooler lines to the connector fittings. After that, you can connect the engine oil cooler lines to the engine clip, and install the engine clip bolt and the engine oil cooler lines. Next, you can start the engine.